Amend HB 537 as follows: (1) Amend HB 537 by striking the caption and substituting the following: relating to the transportation of children in motor vehicles; creating an offense (2) On page 1, line 19, add a new Section 3 and renumber all following sections: Section 3. Section 545.416, Transportation Code, is amended by adding Subsections (d) and (e) to read as follows: (d) Except as provided by Subsection (e), an operator may not carry another person on a motorcycle unless the other person is at least five years of age. An offense under this subsection is a misdemeanor punishable by a fine of not less than $100 or more than $200. It is a defense to prosecution under this subsection that the operator was operating the motorcycle in an emergency or for a law enforcement purpose. (e) Subsection (d) does not prohibit an operator from carrying on a motorcycle a person younger than five years of age who is seated in a sidecar attached to the motorcycle.